CHANGES.rst

3.7 (unreleased)

New Features

Cubeviz

Imviz

• The stretch histogram within plot options can now be popped-out into its own window. [#2314]

Mosviz

Specviz

Specviz2d

API Changes

Cubeviz

Imviz

Mosviz

Specviz

Specviz2d

Bug Fixes

Cubeviz

Imviz

Mosviz

Specviz

Specviz2d

Other Changes and Additions

3.6.1 (unreleased)

Bug Fixes

Cubeviz

Imviz

• Fixes possible extreme lag when opening the Plot Options plugin. [#2326]
• Fixes minor layout issues in the Plot Options plugin. [#2326]
• Fixes compass updating in popout/inline mode. [#2326]

Mosviz

Specviz

Specviz2d

3.6 (2023-07-28)

New Features

• Introduce jdaviz.open to automatically detect the appropriate config and load data [#2221]
• Add Simplify button to subset plugin to make composite spectral subsets more user friendly. [#2237]
• Plots within plugins can now be popped-out into their own windows. [#2254]
• The specviz.load_spectrum method is deprecated; use specviz.load_data instead. [#2273]
• Add launcher to select and identify compatible configurations, and require --layout argument when launching standalone. [#2257, #2267]
• Viewer toolbar items hide themselves when they are not applicable. [#2284]
• Data menu single select will default to the first element. [#2298]
• Line Analysis "Redshift from Centroid" only visible when lines are loaded. [#2294]
• Add lines representing the stretch vmin and vmax to the plot options histogram. [#2301]
• Add option to set bin size in plot options plugin and API call to change histogram viewer limits. [#2309]

Cubeviz

• Added the ability to export cube slices to video. User will need to install opencv-python separately or use [all] specifier when installing Jdaviz. [#2264]

Imviz

• Added the ability to load DS9 region files (.reg) using the IMPORT DATA button. However, this only works after loading at least one image into Imviz. [#2201]
• Added support for new CircularAnnulusROI subset from glue, including a new draw tool. [#2201, #2240]

Mosviz

• Improved x-axis limit-matching between 2d and 1d spectrum viewers. [#2219]

Specviz

Specviz2d

• Re-enable support for displaying the 1d spectrum in wavelength/frequency space, with improved x-axis limit-matching. [#2219]

API Changes

• viz.app.get_data_from_viewer() is deprecated; use viz.get_data(). [#2242]
• viz.app.get_subsets_from_viewer() is deprecated; use viz.app.get_subsets(). [#2242]
• viz.get_data() now takes optional **kwargs; e.g., you could pass in function="sum" to collapse a cube in Cubeviz. [#2242]
• Live-previews and keypress events that depend on the plugin being opened now work for inline and popout windows. [#2295]

Cubeviz

Imviz

• Simple Aperture Photometry plugin: Custom annulus background options are removed. Please draw/load annulus as you would with other region shapes, then select it in the plugin from Subset dropdown for the background. Using annulus region as aperture is not supported. [#2276, #2287]

Mosviz

• Added new statistic keyword to mosviz.get_viewer("spectrum-2d-viewer").data() to allow user to collapse 2D spectrum to 1D. [#2242]

Specviz

• Re-enabled unit conversion support. [#2127]

Specviz2d

Bug Fixes

• Fixed wrong elliptical region translation in app.get_subsets(). [#2244]
• Fixed cls input being ignored in viz.get_data(). [#2242]
• Line analysis plugin's show_continuum_marks is deprecated, use plugin.as_active() instead. [#2295]

Cubeviz

• Moment Map plugin now writes FITS file to working directory if no path provided in standalone mode. [#2264]
• Fixes detection of spatial vs spectral subsets for composite subsets. Also fixes the shadow mark that shows the intersection between spatial and spectral subsets. [#2207, #2266, #2291]
• Prevent Plot Options plugin from hanging when selecting a spectrum viewer in Cubeviz. [#2305]

Imviz

Mosviz

Specviz

• Uncertainties in spectra given to Specviz will now work correctly when non-standard deviation type [#2283]

Specviz2d

Other Changes and Additions

• Gaussian smooth plugin excludes results from the gaussian smooth plugin from the input dataset dropdown. [#2239]
• CLI launchers no longer require data to be specified [#1960]
• Added direct launchers for each config (e.g. specviz) [#1960]
• Replacing existing data from a plugin (e.g., refitting a model with the same label) now preserves the plot options of the data as previously displayed. [#2288]

3.5 (2023-05-25)

New Features

• Model fitting results are logged in a table within the plugin. [#2093]
• Auto-identify a configuration/helper for a given data file. [#2124]
• Exact-text filtering for metadata plugin. [#2147]
• Update Subset Plugin to utilize get_subsets(). [#2157]
• Histogram showing image values in stretch limits section of plot options plugin. [#2153]
• Vertical (y-range) zoom tool for all spectrum and spectrum-2d viewers. This also modifies the icon of the horizontal (x-range) tool to be more consistent with the horizontal subset selection tool. [#2206, #2212]
• Allow Subset Plugin to edit composite subsets. [#2182]
• Support for Scatter plots/markers in plot options. [#2193]

Cubeviz

• get_data now supports function=True to adopt the collapse-function from the spectrum viewer. [#2117]
• get_data now supports applying a spectral mask to a collapse spatial subset. [#2199, #2214]

Imviz

• Table exposing past results in the aperture photometry plugin. [#1985, #2015]
• New canvas rotation plugin to rotate displayed image without affecting actual data. [#1983]
• Preliminary support for Roman ASDF data products. This requires roman-datamodels to be installed separately by the user. [#1822]
• Canvas Rotation plugin is now disabled for non-Chromium based browsers [#2192]

Mosviz

• NIRSpec automatic loader now can take a single image as input, instead of requiring the number of cutouts to be the same as the number of 1D spectra. [#2146]

API Changes

• Add get_subsets() method to app level to centralize subset information retrieval. [#2087, #2116, #2138]

Imviz

• Saving a plot to a PNG (via the astrowidgets API or export plot plugin API) with a provided filename will no longer show the file dialog. If the given file exists, it is silently overwritten. [#929]

Bug Fixes

• Fixed a bug where Import Data button crashes under certain condition. [#2110]

Cubeviz

• Fixed get_model_parameters error when retrieving parameters for a cube fit. This also removed the "_3d" previously appended to model labels in the returned dict. [#2171]

Imviz

• Do not hide previous results in aperture photometry when there is a failure, but rather show the failure message within the plugin UI to indicate the shown results are "out of date". [#2112]
• More efficient parser for Roman data products in Imviz [#2176]

Mosviz

• Fixed several data loader bugs for uncommon use cases. [#2146]

Other Changes and Additions

• move build configuration to pyproject.toml as defined in PEP621 [#1661]
• drop support for Python 3.8 [#2152]

3.4 (2023-03-22)

New Features

• CLI launchers no longer require data to be specified. [#1890]
• Configurations that support multiple, simultaneous data files now allow multiple data products to be specified in the command line. [#1890]
• Ability to cycle through datasets to expose information during mouseover. [#1953]
• New markers plugin to log mouseover information to a table. [#1953]

Cubeviz

• Moment map output now has celestial WCS, when applicable. [#2009]
• Custom Spectrum1D writer for spectral cube generated by Cubeviz. [#2012]

Imviz

• Table exposing past results in the aperture photometry plugin. [#1985, #2015]

API Changes

• Add get_data() method to base helper class to centralize data retrieval. [#1984, #2106]
• Export plot plugin now exposes the viewer dropdown in the user API. [#2037]
• Replaced internal get_data_from_viewer() calls, specviz.get_spectra now returns spectra for all data+subset combinations. [#2072, #2106]

Cubeviz

• Removed deprecated CubeViz; use Cubeviz. [#2092]

Imviz

• ASDF-in-FITS parser for JWST images now uses stdatamodels. [#2052]
• Removed deprecated load_static_regions_from_file and load_static_regions; use load_regions_from_file and load_regions. [#2092]

Mosviz

• Removed deprecated MosViz; use Mosviz. [#2092]

Specviz

• Removed deprecated SpecViz; use Specviz. [#2092]

Bug Fixes

Cubeviz

• Fixed a bug where sky coordinates reported to coordinates info panel might be wrong for "uncert" and "mask" data. This bug only happens when certain parsing conditions were met. When in doubt, always verify with info from "flux" data. [#2009]

Imviz

• Pressing "Home" button on empty additional viewer when images are linked by WCS no longer crashes. [#2082]

Other Changes and Additions

Mosviz

• Removed subset selection from the Mosviz image viewer. [#2102]

3.3.1 (2023-03-09)

Bug Fixes

• Auto-label component no longer disables the automatic labeling behavior on any keypress, but only when changing the label [#2007].
• Loading valid data no longer emits JSON serialization warnings. [#2011]
• Fixed linking issue preventing smoothed spectrum from showing in Specviz2D. [#2023]
• Fixed redshift slider enabling/disabling when calling load_line_list, plot_spectral_line, plot_spectral_lines, or erase_spectral_lines. [#2055]
• Fixed detecting correct type of composite subsets in subset dropdowns in plugins. [#2058]

Cubeviz

• Calling cubeviz.specviz.y_limits(...) no longer emits irrelevant warning. [#2033]
• Fix initial slice of uncertainty viewer. [#2056]

Imviz

• Fixed aperture and background dropdowns validation for Simple Aperture Photometry plugin. [#2032]
• Line Profiles plugin no longer updates when "l" key is pressed while plugin is not opened. [#2073]

Mosviz

Specviz

Specviz2d

3.3 (2023-02-09)

New Features

Cubeviz

• Improved mouseover info display for spectrum viewer. [#1894]

Mosviz

• Reliably retrieves identifier using each datasets' metadata entry. [#1851]
• Improved mouseover info display for spectrum viewer. [#1894]

Specviz

• Improved mouseover info display for spectrum viewer. [#1894]

Specviz2d

• Improved mouseover info display for spectrum viewer. [#1894]

Bug Fixes

Mosviz

• RA/Dec fallback values changed to "Unspecified" to avoid JSON serialization warning when loading data. [#1958, #1992]

Other Changes and Additions

• Gaussian Smooth products are always labeled with the original data [#1973]

3.2.2 (unreleased)

Bug Fixes

Cubeviz

Imviz

Mosviz

Specviz

Specviz2d

3.2.1 (2023-02-02)

Bug Fixes

Imviz

• Fixed crashing when clicking Home button after markers are added. [#1971]

Specviz2d

• Fixes link for help button in app toolbar. [#1981]

Other Changes and Additions

• Unit Conversion plugin is temporarily disabled while being reworked. [#1970]

3.2 (2023-01-04)

New Features

• New rainbow, reversed rainbow, and seismic (blue-red) colormaps for images. [#1785]
• Spinner in plot options while processing changes to contour settings. [#1794]
• Model fitting plugin can optionally expose the residuals as an additional data collection entry. [#1864, #1891]
• Resetting viewer limits (via reset_limits or the zoom home button) now accounts for all visible data layers instead of just the reference data. [#1897]
• Linear1D model component now estimates slope and intercept. [#1947]
• Model fitting and line analysis plugins provide a warning and prohibit calculating results if the selected data entry and spectral subset do not overlap on the spectral axis. [#1935]
• Model fitting: API and UI to re-estimate model parameters based on current data/subset selection. [#1952]

Cubeviz

• Added ability to load plain Numpy array cube. [#1773]
• Added Slice plugin player control buttons. [#1848]

Imviz

• Warnings in aperture photometry plugin when using raw profile with large subsets. [#1801]
• Subset Tools plugin now allows recentering of editable spatial subset. [#1823]
• Links control plugin shows a confirmation overlay to clear markers when changing linking type. [#1838]

Mosviz

• Disable simultaneous row plotting and 1D linking in Mosviz to substantially decrease load times. [#1790]
• Added coordinates display panels for Mosviz viewers. [#1795]
• load_data method can now load JWST NIRCam and NIRSpec level 2 data. [#1835]

Specviz

• Spectrum viewer now shows X and Y values under cursor. [#1759]
• Switch to opt-in concatenation for multi-order x1d spectra. [#1659]

Specviz2d

• Update to be compatible with changes in specreduce 1.3, including FitTrace with Polynomial, Spline, and Legendre options. [#1889]
• Add dropdown for choosing background statistic (average or median). [#1922]

API Changes

Cubeviz

• CubeViz is deprecated, use Cubeviz. [#1809]

Imviz

• Simple Aperture Photometry plugin no longer performs centroiding. For radial profile, curve of growth, and table reporting, the aperture center is used instead. For centroiding, use "Recenter" feature in the Subset Tools plugin. [#1841]

Mosviz

• Removed unused MosvizProfileView viewer class. [#1797]
• MosViz is deprecated, use Mosviz. [#1809]

Specviz

• SpecViz is deprecated, use Specviz. [#1809]

Bug Fixes

• Console logging is restored for "Desktop Mode" Windows users. [#1887]
• Model fitting initial estimates now respect selected subset. [#1947, #1954]

Cubeviz

• Support for fitting spectral subsets with Cubeviz [#1834]

Imviz

• Clearing markers in Catalog Search will only hide them, which improves "Clear" performance. [#1774]
• Adding data will not result in clearing existing markers. [#1848]
• viewer.center_on() now behaves correctly on non-reference data. [#1928]

Mosviz

• mosviz_row metadata now included in NIRISS-parsed 1D spectra. [#1836]
• Now loads NIRCam direct image properly when loading a directory. [#1948]

3.1.2 (2022-12-20)

Bug Fixes

• Avoid a non-finite error in model fitting by not passing spectrum uncertainties as weights if the uncertainty values are all 0. [#1880]
• Redshift is no longer reset to zero when adding results from plugins to app. [#1915]

Imviz

• Viewer options in some plugins no longer displaying the wrong names. [#1920]
• Fixes cropped image layer with WCS linking without fast-approximation, mouseover display for GWCS now shows when information is outside original bounding box, if applicable. [#1908]

Mosviz

• Prevent color cycling when selecting different objects/rows [#1900]

3.1.1 (2022-11-23)

Bug Fixes

• Change box zoom to always maintain aspect ratio. [#1726]
• Fixed removing image data from viewer when changing row. [#1812]
• Prevent duplicate labels by changing duplicate number appended to label to max number (of duplicates) plus 1. [#1824]
• Layer lettering now supports up to 702 layers. Beyond that, special characters are used. [#1850]
• Fix cycler so new data added have different colors [#1866]

Cubeviz

• Fix spatial-spectral highlighting after adding spectral data set (either manually or by loading and results from plugins into the spectral-viewer) which had prevented new subsets from being created. [#1856]

Imviz

Mosviz

• Data unassigned a row is hidden under the subdropdown in the data dropdown. [#1798, #1808]
• Missing mosviz_row metadata in NIRISS-parsed 1D spectra now added. [#1836]
• Allow Mosviz load_data method to load only 1D or 2D spectra. [#1833]

Specviz

Specviz2d

• Fixed options for peak method in spectral extraction plugin. [#1844]

3.1 (2022-10-26)

New Features

• Add support for nonstandard viewer reference names [#1681]
• Centralize data label generation if user does not provide a label with data load. Also prevent duplicate data labels from being added to data collection. [#1672]

Imviz

• Catalogs plugin now supports loading a JWST catalog from a local ECSV file. [#1707]
• New "batch_load" context manager to optimize loading multiple images. [#1742]

Specviz2d

• Improved logic for initial guess for position of "Manual" background trace in spectral extraction plugin. [#1738]
• Now supports loading a specific extension of the 2D spectrum file and transposing data on load. [#1705]
• Spectral extraction plugin now supports visualizing and exporting the 1D spectrum associated with the background region. [#1682]

Bug Fixes

• Disable unit conversion if spectral axis is in pixels or if flux is in counts, respectively. [#1734]
• Improved performance when toggling visibility of data layers in data menu. [#1742]

Cubeviz

• Fixed parsing of data cube without WCS. [#1734]

Imviz

• Fixed Simple Aperture Photometry plugin compatibility with astropy v5.1.1. [#1769]

Mosviz

• Fixed toolbar on 2d profile viewer. [#1778]

Specviz2d

• Fixed parser not loading x1d when s2d is provided. [#1717]
• Fixed toolbar on 2d spectrum viewer. [#1778]

Other Changes and Additions

• Updated example notebooks (except MosvizExample) to use in-flight JWST data. [#1680]
• Change RA/Dec significant figures from 4 to 6 in aperture photometry plugin. [#1750]

3.0.2 (2022-10-18)

Bug Fixes

• Fix subset selection tool conflicts caused by a duplicate toolbar. [#1679]
• Fixed blank tabbed viewers. [#1718]
• Prevent app.add_data_to_viewer from loading data from disk [#1725]
• Fix bug in creating and removing new image viewers from Imviz [#1741]
• Updated Zenodo link in docs to resolve to latest version. [#1743]

Imviz

• Fixed Compass crashing while open when loading data. [#1731]

Specviz2d

• Fixed padding on logger overlay. [#1722]
• Changing the visibility of a data entry from the data menu no longer re-adds the data to the viewer if it is already present, which avoids resetting defaults on the percentile and/or color or the layer. [#1724]
• Fixed handling of "Manual" background type in spectral extraction plugin. [#1737]

3.0.1 (2022-10-10)

• Fixed Citations file to accurately reflect release.

3.0 (2022-10-10)

New Features

• Profile viewers now support plotting with profiles "as steps". [#1595, #1624]
• Use spectrum's uncertainty as weight when doing model fitting. [#1630]
• Line flux in the Line Analysis plugin are reported in W/m2 if Spectral Flux is given in Jy [#1564]
• User-friendly API access to plugins, with exposed functionality for: line analysis, gaussian smooth, moment maps, compass, collapse, metadata, slice, plot options, model fitting, links control, export plot, and spectral extraction. [#1401, #1642, #1643, #1636, #1641, #1634, #1635, #1637, #1658, #1640, #1657, #1639, #1699, #1701, #1702, #1708]
• Line Lists show which medium the catalog wavelengths were measured in, in accordance to the metadata entry. Lists without medium information are removed, until such information can be verified [#1626]
• Cycle through colors applied to data when multiple datasets are loaded to the same viewer [#1674]
• Added ability to set height of application widget using show method. [#1646]
• Add Common Galactic line lists, split Atomic/Ionic list with verified medium info [#1656]

Cubeviz

• Image viewers now have linked pan/zoom and linked box zoom. [#1596]
• Added ability to select spatial subset collapsed spectrum for Line Analysis. [#1583]
• Increased size of Cubeviz configuration from 600px to 750px. [#1638]

Imviz

• Changing link options now updates immediately without needing to press "Link" button. [#1598]
• New tool to create a single-pixel spatial region on the image. [#1647]

Specviz2d

• Support for Horne/Optimal extraction. [#1572]
• Support for importing/exporting Trace objects as data entries. [#1556]
• 2D spectrum viewer now has info panel for pixel coordinates and value. [#1608]

Bug Fixes

• Fixed loading data via the Import Data button on top-left of the application. [#1608]
• Floating menus are now attached to their selector element. [#1673, #1712]
• Remove model fitting equation length restriction. [#1685]
• Fixed crashing of model fitting when a parameter is fixed before fitting is done. [#1689]
• Fixed IndexError when editing a subset while subset selection is set to "Create New". [#1700]

Cubeviz

• Calling cubeviz.load_data(data, data_label), where data_label is passed in as second positional argument instead of keyword, is now allowed. [#1644]
• A warning will be presented when overwriting a moment map to an existing file on disk. [#1683, #1684]

Imviz

• Fixed inaccurate aperture photometry results when aperture photometry is done on a non-reference image if images are linked by WCS. [#1524]
• Calling imviz.load_data(data, data_label), where data_label is passed in as second positional argument instead of keyword, is now allowed. Previously, this will crash because second positional argument is actually a parser_reference that is meant for internal use. [#1644]
• Fixed crashing for when data is accidentally loaded multiple times or when subset is deleted after a viewer is deleted. [#1649]

Mosviz

• R-grism 2D spectrum data are now loaded with the correct orientation. [#1619]
• Fixed a bug to skip targets not included in NIRISS source catalog, improving lod times [#1696]

Specviz

• Line Lists plugin now disabled if no data is loaded instead of letting user load a list list and crash. [#1691]

Specviz2d

• Fixed default spectral extraction parameters when the background separation otherwise would have fallen directly on the edge of the image. [#1633]
• Fixed parser for Level 2 NIRSpec s2d files. [#1608]
• Spectral-extraction plugin: support floats for all input trace positions, separations, and widths. [#1652]

Other Changes and Additions

• Changed unit formatting to avoid astropy.units warnings in Line Analysis plugin. [#1648]

Cubeviz

• Changed the default layout to have only two image viewers, and enabled tabbing and dragging the viewers. [#1646]

2.10 (2022-08-26)

New Features

• Layer icons now show indication of linewidth. [#1593]
• Model Fitting plugin now displays parameter uncertainties after fitting. [#1597]

Bug Fixes

Cubeviz

• Future proof slicing logic for as_steps implementation in glue-jupyter 0.13 or later. [#1599]

2.9 (2022-08-24)

New Features

• New popout locations display Jdaviz in a detached popup window (popout:window) or browser tab (popout:tab). [#1503]
• Subset Tools plugin now allows basic editing, including rotation for certain shapes. [#1427, #1574, #1587]
• New jdaviz.core.region_translators.regions2roi() function to convert certain regions shapes into glue ROIs. [#1463]
• New plugin-level open_in_tray method to programmatically show the plugin. [#1559]

Cubeviz

• Cubeviz now has ellipse spatial Subset selection tool. [#1571]
• Cubeviz now has load_regions_from_file() and load_regions() like Imviz. [#1571]

Imviz

• New "Catalog Search" plugin that uses a specified catalog (currently SDSS) to search for sources in an image and mark the sources found. [#1455]
• Auto-populate simple aperture photometry values if JWST data is loaded into viewer. [#1549]
• Pressing Shift+b now blinks backwards. Right-clicking on the image while Blink tool is active on the toolbar also blinks backwards. [#1558]

Mosviz

• NIRISS parser now sorts FITS files by header instead of file name. [#819]

Specviz2d

• Spectral extraction plugin. [#1514, #1554, #1555, #1560, #1562]
• CLI support for launching Specviz2d for a single 2D spectrum file input. Use notebook version if you want to open separate 2D and 1D spectra in Specviz2d. [#1576]
• New specviz2d.specviz helper property to directly access Specviz functionality from Specviz2d. [#1577]

API Changes

Imviz

• Imviz.load_static_regions_from_file() and Imviz.load_static_regions() are deprecated in favor of Imviz.load_regions_from_file() and Imviz.load_regions(), respectively. This is because some region shapes can be made interactive now even though they are loaded from API. The new methods have slightly different API signatures, please read the API documentation carefully before use. [#1463]

Bug Fixes

• Fixes subset mode to reset to "Replace" when choosing to "Create New" subset. [#1532]
• Fixes behavior of adding results from a plugin that overwrite an existing entry. The loaded and visibility states are now always adopted from the existing entry that would be overwritten. [#1538]
• Fix support for ipywidgets 8 (while maintaining support for ipywidgets 7). [#1592]

Cubeviz

• Fixed validation message of moment number in moment map plugin. [#1536]
• Fixed viewer.jdaviz_helper returning Specviz helper instead of Cubeviz helper after Specviz helper is called via Cubeviz.specviz. Now viewer.jdaviz_helper always returns the Cubeviz helper. [#1546]
• Increased spectral slider performance considerably. [#1550]
• Fixed the spectral subset highlighting of spatial subsets in the profile viewer. [#1528]

Specviz

• Fixed a bug where spectra with different spectral axes were not properly linked. [#1526, #1531]

Other Changes and Additions

• Added a UV Galactic linelist. [#1522]
• astroquery is now a required dependency of Jdaviz. [#1455]

2.8 (2022-07-21)

New Features

• Added viewer/layer labels with icons that are synced app-wide. [#1465]

Cubeviz

• The "Import Data" button is hidden after a data cube is loaded into the app [#1495]

Mosviz

• Added --instrument CLI option to support NIRISS data loading in Mosviz. [#1488]

Bug Fixes

• Fix scrolling of "x" button in data menus. [#1491]
• Fix plot options colormap when setting colormap manually through API. [#1507]

Cubeviz

• Cubeviz parser now sets the wavelength axis to what is in the CUNIT3 header [#1480]
• Includes spectral subset layers in the layer dropdowns in plot options and fixes behavior when toggling visibility of these layers. [#1501]

Imviz

• Fixed coordinates info panel crashing when HDU extension with non-celestial WCS is loaded into Imviz together with another extension with celestial WCS. [#1499]

Other Changes and Additions

• Added a more informative error message when trying to load Jdaviz outside of Jupyter. [#1481]

2.7.1 (2022-07-12)

Bug Fixes

• Fix updating coordinate display when blinking via click. [#1470]

Cubeviz

• Replaced deprecated FILETYPE header keyword with EXP_TYPE to identify JWST cubes for proper MJD-OBS handling. [#1471]
• Fixed a bug where having Subset breaks coordinates information display in image viewers. [#1472]

Other Changes and Additions

2.7.0.post1 (2022-07-07)

• Post-2.7 release to fix a PyPi distribution problem.

2.7 (2022-07-06)

New Features

• The app and individual plugins can be opened in a new window by clicking a button in the top right-hand corner. [#977, #1423]
• Snackbar queue priority and history access. [#1352, #1437]
• Subset Tools plugin now shows information for composite subsets. [#1378]
• Plot options are simplified and include an advanced mode to act on multiple viewers/layers simultaneously. [#1343]
• Labels in data menus are truncated to fit in a single line but ensure visibility of extensions. [#1390]
• Data menus now control visibility of layers corresponding to the data entries instead of loading/unloading the entries from the viewers. Data entries that are unloaded now appear in an expanded section of the menu and can be re-loaded into the viewer. [#1400]
• Several reversed version of colormaps now available for image viewers. [#1407]
• Simple zoom "back" button in all viewers. [#1436]

Cubeviz

• New tool for visualizing spectrum at a pixel's coordinate location in the image viewer [#1317, #1377]

Imviz

• Added the ability to fit Gaussian1D model to radial profile in Simple Aperture Photometry plugin. Radial profile and curve of growth now center on source centroid, not Subset center. [#1409]

API Changes

• Default percentile for all image viewers is now 95%, not min/max. [#1386]
• Default verbosity for popup messages is now "warnings" but the history logger is still at "info" so you can see all messages there instead. [#1368]
• In the Color Mode options under Plot Options, "Colormaps" and "One color per layer" have been renamed to "Colormap" and "Monochromatic," respectively, for all image viewers. [#1406]
• Viz tool display changed to viz.show() from viz.app. Sidecar no longer returned by show methods. [#965]

Imviz

• In the toolbar, linked box-zoom and linked pan/zoom are now the defaults. Right-click on the respective button to access single-viewer box-zoom or single-viewer pan/zoom. [#1421]
• viewer.set_colormap() method now takes Glue colormap name, not matplotlib name. This is more consistent with colormap options under Plot Options. [#1440]

Bug Fixes

• Fixed HeI-HeII line list loading. [#1431]

Cubeviz

• Fixed the default thickness of a subset layer in the spectral viewer to remain 1 for spatial subsets and 3 for spectral subsets. [#1380]
• Fixed linking of plugin data to the reference data that was used to create it [#1412]
• Fixed coordinates display not showing the top layer information when multiple layers are loaded into the image viewer. [#1445]

Imviz

• Fixed a bug where image loaded via the "IMPORT DATA" button is not linked to the data collection, resulting in Imviz unusable until the data are re-linked manually. [#1365]
• Fixed a bug where coordinates display erroneously showing info from the reference image even when it is not visible. [#1392]
• Fixed a bug where Compass zoom box is wrong when the second image is rotated w.r.t. the reference image and they are linked by WCS. [#1392]
• Fixed a bug where Line Profile might crash when the second image is rotated w.r.t. the reference image and they are linked by WCS. [#1392]
• Contrast/bias mouse-drag is now more responsive and calculates contrast in the same way as Glue in Qt mode. [#1403]
• Fixed a bug where some custom colormap added to Imviz is inaccessible via viewer.set_colormap() API. [#1440]
• Fixed a bug where Simple Aperture Photometry plugin does not know an existing Subset has been modified until it is reselected from the dropdown menu. [#1447]
• Disables the "popout in new window" buttons on the image viewer tabs in favor of other ways of popping out Jdaviz from notebook. [#1461]

Mosviz

• Data dropdown in the gaussian smooth plugin is limited to data entries from the spectrum-viewer (excluding images and 2d spectra). [#1452]

2.6 (2022-05-25)

New Features

• Line list plugin now supports exact-text filtering on line names. [#1298]
• Added a Subset Tools plugin for viewing information about defined subsets. [#1292]
• Data menus in the viewers are filtered to applicable entries only and support removing generated data from the app. [#1313]
• Added offscreen indication for spectral lines and slice indicator. [#1312]

Cubeviz

• Cubeviz image viewer now has coordinates info panel like Imviz. [#1315]
• New Metadata Viewer plugin. [#1325]

Imviz

• New way to estimate background from annulus around aperture in Simple Aperture Photometry plugin. [#1224]
• New curve of growth plot available in Simple Aperture Photometry plugin. [#1287]
• Clicking on image in pan/zoom mode now centers the image to location under cursor. [#1319]

Specviz

• Line List Spectral Range filter displays only lines with an observed wavelength within the range of the spectrum viewer [#1327]

Bug Fixes

• Line Lists plugin no longer crashes when a list is removed under certain conditions. [#1318]

Cubeviz

• Parser now respects user-provided data_label when Spectrum1D object is loaded. Previously, it only had effect on FITS data. [#1315]
• Fixed a bug where fitting a model to the entire cube returns all zeroes on failure. [#1333]

Imviz

• Line profile plot in Line Profile plugin no longer affects radial profile plot in Simple Aperture Photometry plugin. [#1224]
• Line profile plot no longer report wrong coordinates on dithered data that is not the reference data. [#1293]
• Radial profile plot in Simple Aperture Photometry plugin no longer shows masked aperture data. [#1224]
• Aperture sum in Simple Aperture Photometry plugin no longer reports the wrong value in MJy when input data is in MJy/sr. Previously, it applied number of pixels twice in the calculations, so sum in MJy with 10-pixel aperture would be off by a factor of 10. This bug did not affect data in any other units. [#1332]
• Markers API now handles GWCS with ICRS Lon/Lat defined instead of Right Ascension and Declination. [#1314]

Specviz

• Fixed clearing an identified spectral line when its removed. [#1322]

Specviz2d

• Fixed a regression that caused NIRSpec s2d to stop loading properly. [#1307]

2.5 (2022-04-28)

New Features

• Search bar to filter plugins in sidebar. [#1253]

Cubeviz

• Add ESA pipeline data parser. [#1227]

Mosviz

• Mosviz Desktop App utilizes new directory parsers, which falls back to NIRSpec parser if no instrument keyword is specified. [#1232]

API Changes

• CLI now takes the layout as a required first positional argument after jdaviz (jdaviz cubeviz path/to/file). [#1252]

Bug Fixes

• Fixed clicking in Safari on MacOS when using CTRL-click as right-click. [#1262]

Imviz

• No longer issues a Snackbar error message when all data is deselected. [#1250]

Other Changes and Additions

• Change default collapse function to sum. This affects collapsed spectrum in Cubeviz and its Collapse plugin default. [#1229, #1237]
• Data dropdowns in plugins are now filtered to only applicable entries. [#1221]
• Cube data now has spectral axis last in the backend, to match specutils Spectrum1D axis order and work with updated glue-astronomy translators. [#1174]
• Plugins that create data entries allow overriding the default labels. [#1239]
• Automatic defaults for model component IDs and equation editor in model fitting. [#1239]
• Help button in toolbar to open docs in a new tab. [#1240]
• Snackbar queue handles loading interrupt more cleanly. [#1249]
• Reported quantities are rounded/truncated to avoid showing unnecessary precision. [#1244]
• Line analysis quantities are coerced so length units cancel and constants are removed from units. [#1261]

2.4 (2022-03-29)

New Features

• Lines from the line list plugin can be selected to help identify as well as to assign redshifts from the line analysis plugin. [#1115]
• New jdaviz.core.region_translators module to provide certain translations from regions shapes to photutils apertures, and vice versa. [#1138]

Imviz

• New Line Profiles (XY) plugin to plot line profiles across X and Y axes for the pixel under cursor when "l" key is pressed or for manually entered X and Y values on the displayed image. [#1132]
• Simple aperture photometry plugin now uses photutils to for all calculation. Additional photometry results are also added, such as centroid and FWHM. [#1138]

Specviz

• Exposed toggle in Plot Options plugin for viewing uncertainties. [#1189, #1208]

API Changes

Imviz

• viewer.marker dictionary now accepts fill as an option, settable to True (default) or False; the latter draws unfilled circle. [#1101]

Bug Fixes

• Fixed support for table scrolling by enabling scrollbar. [#1116]
• Fixed loading additional spectra into a spectrum viewer after creating a spectral subset. [#1205]

Cubeviz

• Fixed linking of data to allow contour over-plotting. [#1154]
• Fixed an error trace when fitting a model to a spatial subset. [#1176]
• Fixed the model fitting plugin data dropdown not populating with spatial subsets properly. [#1176]
• Fixed visibility of switch and dropdown options in gaussian smooth plugin. [#1216]

Imviz

• Fixed Compass plugin performance for large image. [#1152]
• Fixed data shown out of order when load_data is called after app. [#1178]
• Fixed the subsequent dataset not showing after blinking if the dataset being shown is removed from viewer. [#1164]

Other Changes and Additions

• Jdaviz now requires Python 3.8 or later. [#1145]
• photutils is now a required dependency. [#1138]
• Viewer toolbars are now nested and consolidated, with viewer and layer options moved to the sidebar. [#1140]
• Redshifts imported with a custom line list are now ignored. Redshift must be set app-wide via viz.set_redshift or the line list plugin. [#1134]
• Subset selection dropdowns in plugins now show synced color indicators. [#1156, #1175]
• Line analysis plugin now shows uncertainties, when available. [#1192]

2.3 (2022-03-01)

New Features

• There are now show_in_sidecar and show_in_new_tab methods on all the helpers that display the viewers in separate JupyterLab windows from the notebook. [#952]
• The line analysis plugin now includes logic to account for the background continuum. [#1060]
• Specviz can load a SpectrumList and combine all its elements into a single spectrum. [#1014]

Cubeviz

• Move slice slider to the plugin tray and add capability for selecting by wavelength as well as through a tool in the spectrum viewer. [#1013]

Imviz

• New metadata viewer plugin. [#1035]
• New radial profile plot and background auto-population in the simple aperture photometry plugin. [#1030, #1109]
• New plugin to display compass for image with WCS and also zoom box. [#983]
• Imviz now loads 3D Numpy array as individual slices at axis=0. Also supports higher dimension as long as the array can be squeezed into 3D. [#1056]
• New do_link keyword for Imviz.load_data(). Set it to False when loading multiple dataset in a loop but Imviz.link_data() must be run at the end manually afterwards. [#1056]
• New imviz.load_static_regions_from_file() method to load region file via API. [#1066]

Mosviz

• New metadata viewer plugin. [#1035]

Specviz

• New metadata viewer plugin. [#1035]

API Changes

• Viewers now can access the Jdaviz application using viewer.jdaviz_app and the helper via viewer.jdaviz_helper. [#1051, #1054]
• Jdaviz no longer uses Python logging to issue warning. Warning is now issued by Python's warnings module. [#1085]

Cubeviz

• Subsets from the spectrum viewer are now returned as SpectralRegion objects. [#1046]
• Collapse plugin only collapses into spatial-spatial image now. Default collapse function is now sum, not mean. [#1006]

Imviz

• imviz.load_static_regions() now returns a dictionary of regions that failed to load with warnings. It also shows a snackbar message. [#1066]

Bug Fixes

• Model plugin now validates component names to avoid equation failing. [#1020]
• Model plugin properly updates parameters after fit for compound models. [#1023]
• Model plugin now respects fixed parameters when applying model to cube, and retains parameter units in that case. [#1026]
• Model plugin polynomial order now avoids traceback when clearing input. [#1041]
• Box zoom silently ignores click without drag events. [#1105]
• Fixes index error when plotting new data/model. [#1120]
• API calls to subset now return full region. [#1125]

Cubeviz

• Spectral region retrieval now properly handles the case of multiple subregions. [#1046]
• Moment Map plugin no longer crashes when writing out to FITS file. [#1099]
• Moment Maps result is no longer rotated w.r.t. original data. [#1104]

Imviz

• Imviz no longer crashes when configuration is overwritten by MAST. [#1038]
• Imviz no longer loads incompatible data from ASDF-in-FITS file. [#1056]
• Simple Aperture Photometry plugin now shows the entire data collection for the application, not just selected data/subset for the default viewer. [#1096]

Mosviz

Specviz

• Fix corrupted voila launch notebook. [#1044]
• Entering line list in units that require spectral equivalencies no longer crashes Line Lists plugin. [#1079]
• Unit Conversion plugin is now disabled in the presence of any Subset due to incompatibility between the two. [#1130]

Other Changes and Additions

• Redshift slider and options are moved from the toolbar to the Line List plugin in the plugin tray. [#1031]
• Spectral lines and redshift are refactored to improve performance. [#1036]
• Jdaviz no longer depends on spectral-cube. [#1006]
• Line list plugin now includes a dropdown for valid units for custom lines. [#1073]

2.2 (2021-12-23)

New Features

• Box and xrange zoom tools for all applicable viewers. [#997]
• Data and Subset selection are now separate in the Line Analysis plugin, to handle the case of multiple datasets affected by a subset. [#1012]

Bug Fixes

Cubeviz

• Missing MJD-OBS in JWST data will no longer crash Cubeviz as long as it has MJD-BEG or DATE-OBS. [#1004]

2.1 (2021-12-10)

New Features

• Support for units in astropy models and BlackBody in modeling plugin. [#953]

Imviz

• New imviz.create_image_viewer() and imviz.destroy_viewer() methods to allow users to programmatically create and destroy image viewers. [#907]
• New plugin to control image linking via GUI. [#909]
• New plugin to perform simple aperture photometry. [#938]
• Coordinates display now also shows Right Ascension and Declination in degrees. [#971]

Mosviz

• New toggle button to lock/unlock viewer settings (x-limits in 1d and 2d spectrum viewers and stretch and percentile for 2d spectrum and image viewers). [#918]
• Ability to add custom columns and change visibility of columns in the table. [#961]
• Support for redshift slider and new mosviz.get_spectrum_1d and mosviz.get_spectrum_2d helper methods. [#982]

Specviz

• MIRI s2d files can now be loaded into Specviz2d. [#915]
• Default new subset/region thickness is set to 3px. [#994]

API Changes

• Removed unused jdaviz.core.events.AddViewerMessage. [#939]

Bug Fixes

• vue_destroy_viewer_item no longer called twice on destroy event. [#676, #913]

Imviz

• imviz.get_interactive_regions() no longer produces long traceback for unsupported region shapes. [#906]
• Imviz now parses some image metadata into glue and understands ELECTRONS and ELECTRONS/S defined in FITS BUNIT header keyword. [#938]
• Imviz now updates pixel value correctly during blinking. [#985]
• Imviz now displays the correct pixel and sky coordinates for dithered images linked by WCS. [#992]

Specviz

• Fixed a bug where specviz.get_model_parameters() crashes after fitting a Gaussian model in the Model Fitting plugin. [#976]

Other Changes and Additions

• Cubeviz now loads data cube as Spectrum1D. [#547]
• The new template load system in ipyvue is used, which enables hot reload. [#913]
• Plugins now provide options for immediately showing results in applicable viewers. [#974]

2.0 (2021-09-17)

• Added Imviz configuration for visualization of 2D images.
• Overhauled Mosviz to drastically increase performance, improve user interface, fix buggy features.
• Improved other configurations with bug fixes, user experience enhancements, and JWST data formats support.

1.1 (2021-03-22)

New Features

• Added methods to extract Mosviz data table to csv or astropy table. [#468]
• Added methods to extract fitted models and model parameters to notebook. [#458]
• Created a NIRISS dataset parser for Mosviz. [#394]
• Added a Specviz2d configuration for two-dimensional spectra. [#410, #416, #421]
• Added a redshift slider to Specviz. [#380, #453, #457]
• Added new preset spectral line lists. [#379]
• Added a debugging mode to show stdout and stderr on frontend. [#368]

Bug Fixes

• Fixed data selection update loop in UI menu. [#427, #456]
• Fixed a bug when using the Gaussian Smooth plugin multiple times. [#441]
• Fixed axis autoscaling when redshift slider has been used. [#404, #413]
• Now properly raises an error when trying to load a non-existent file. [#384]
• Fixed "Hide All" button behavior in line list plugin. [#383]
• Fixed a WCS bug in Mosviz. [#377]
• Fixed failing case of parsing cube extensions. [#374]

Other Changes and Additions

• Cleaned up the Model Fitting plugin UI. [#485]
• Improved performance when loading multiple datasets. [#435]
• Updated example notebooks. [#418]
• Moved snackbar messages to top of UI. [#375]
• Removed unused icons from toolbar. [#366]
• Refactored the Unit Conversion plugin. [#360]
• Many documentation updates/additions. [#340, #341, #343, #346, #347, #349, #350, #351, #352, #357, #365, #376, #471, #481, #482, #483]

1.0.3 (2020-10-08)

• Added documentation. [#323, #319, #315, #308, #300]
• Bug fixes in model fitting [#325], line lists [#326], and cubeviz data labels [#313]
• Updated vispy dependency. [#311]

1.0.2 (2020-09-23)

• Incorporate latest releases of dependencies.

1.0.1 (2020-09-18)

• Fix issue from release.

1.0 (2020-09-18)

• Official release.

0.1 (2020-08-26)

• Initial release.